diff --git a/3.4.-pri-request=stations_available.md b/3.4.-pri-request=stations_available.md
index 3a1917f..318c9ce 100644
--- a/3.4.-pri-request=stations_available.md
+++ b/3.4.-pri-request=stations_available.md
@@ -23,7 +23,7 @@
 | operator_data | o | object | operator values (see example) |
 
 
-**station_group** describes which **bike_groups** are allowed at the station.
+**station_group** describes which **bike_group** are allowed at the station.
 Groups are identified by ID. The following groups of bicycles are defined:
 | groupID | bike type |
 | ------ | ------ |